EP2467100B1 - Bone cement mixer - Google Patents

Bone cement mixer Download PDF

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Publication number
EP2467100B1
EP2467100B1 EP09812489.4A EP09812489A EP2467100B1 EP 2467100 B1 EP2467100 B1 EP 2467100B1 EP 09812489 A EP09812489 A EP 09812489A EP 2467100 B1 EP2467100 B1 EP 2467100B1
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EP
European Patent Office
Prior art keywords
mixer
mixing chamber
chamber
mass
mixer according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09812489.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2467100A1 (en
Inventor
Giovanni Faccioli
Renzo Soffiatti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tecres SpA
Original Assignee
Tecres SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to PL09812489T priority Critical patent/PL2467100T3/pl
Publication of EP2467100A1 publication Critical patent/EP2467100A1/en
Application granted granted Critical
Publication of EP2467100B1 publication Critical patent/EP2467100B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/80—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations
    • B01F31/86—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations with vibration of the receptacle or part of it
    • B01F31/861—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations with vibration of the receptacle or part of it caused by hitting or striking the receptacle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4601—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/80—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations
    • B01F31/86—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations with vibration of the receptacle or part of it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/3202—Hand driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/3202—Hand driven
    • B01F35/32021—Shaking by hand a portable receptacle or stirrer for mixing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
    • A61B17/8816—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the conduit, e.g. tube, along which fluid flows into the body or by conduit connections

Definitions

  • the invention refers to a bone cement mixer.
  • bone cement is very often used for the reconstruction of bones.
  • JP 10314181 discloses a mixing device there the mixing of the bone cement is obtained by manual or machine oscillation of the whole device.
  • the document EP 1466572 discloses a packaging, mixing and injecting device for bone cement where a mixing ball is inserted inside the mixing chamber.
  • US5088830A teaches a mixer including a container part and a lid connected one with the other, thereby delimiting an inner space. Moreover, the mixer is clamped between two claws of a vibratory mixing device.
  • the object of the invention is that of making the aforementioned mixing of the cement in medical devices easier obtaining it through "knocking or vibration" applied to the walls of the mixer.
  • the generating and transmitting means can be made in many ways.
  • An electric energy vibration generator can be used, like for example an eccentric fitted onto an electric motor in abutment against a wall of the mixing chamber. Power can be supplied, for example, through batteries integrated in the mixer. Otherwise, the shaking movement which is given to the mixer by the worker during the mixing could be exploited. In this case it is advantageous to make the means for generating and transmitting vibrations having a mass free to oscillate (knocker) and knock against an outer side of at least one wall of the mixing chamber.
  • the free mass can be a sphere or in general a body fixedly connected to the mixer, for example, by a cable. Or the mass can be contained inside a closed chamber which shares a wall with the mixing chamber, thus improving its integration with the mixer and making it more compact.
  • the shared wall between said closed chamber and said mixing chamber is equipped with thinner portions to favour a sussultatory movement of the shared wall itself.
  • the rigidity of the shared wall is thus reduced increasing the bending capacity thereof and further moving the forming cement.
  • the invention also solves the coupling problem of the mixer with the device used to inject the cement into the bone, usually a syringe or a press dispenser.
  • the mixer should have a structure able to prevent contamination of the cement from the environment and make the application and use operations in the operating room easier.
  • the invention providesng the mixer with a luer fitting through which the cement can exit, the luer fitting being easily coupled with a syringe and/or dosage tubes.
  • the mixer comprises a luer cap for the luer fitting.
  • a mixer according to the invention is indicated with reference numeral 10.
  • Said mixer comprises a cylindrical case 12 which extends along an axis X and which defines a mixing chamber 20 inside of it, and another open chamber 40 adjacent to the first one and with which it shares a common wall 30.
  • the mixing chamber 20 is open towards the outside and at the corresponding end of the mixer 10, on its outer side surface, there is a thread 32 onto which a lid 14 can be screwed to close the chamber, forming one of its walls (see fig. 2 ).
  • a lid 14 is applied and closed.
  • the lid 14 is tapered and has a luer fitting opening 16 at its apex, closed by a luer cap 18.
  • a closing element 50 can be inserted snapping into the chamber 40 (see figs. 3 and 4 ).
  • the closing element comprises a circular base 52 and a hollow cylindrical central body 56 open at one end and closed at the bottom 58.
  • the base 52 has a peripheral lip 54 suitable for snapping onto an edge in relief 42 on the outside of the case 12.
  • the chamber 40 has an oblong shape and a depth almost equal to the height of the body 56, so that the second one can be inserted into the first ( fig. 3 ). It should be seen that the small sphere 22 can substantially move with a good clearance from and towards the wall 30 (along the axis X) staying within the body 56.
  • the section of the wall 30 is not even. It has a central portion 32 which is thicker and an annular portion 34 which is thinner. In this way the ability of the portion 32 to oscillate with respect to the case 12 is increased.
  • the operation of the mixer 10 is as follows.
  • the element 50 is applied to the mixer 10 and the components to be mixed are introduced into the chamber 20, after closing it with the lid 14. Then the mixer 10 should be held in hand and shaken. Consequently, the small sphere 22 is set in motion inside the chamber 40 and repeatedly knocks against the wall 30.
  • the mixing of the components is obtained thanks to manual shaking, and a further mixing effect is developed through the vibrations generated by the impact of the sphere 22 against the wall 30. Even though the cement has high density, such vibrations are unexpectedly able to improve the mixing.
  • the funnel-shaped hermetically sealing lid 14 ends with a luer fitting 16, which allows a syringe to be connected to it and thus directly aspirate the mixed cement. This means there is an optimal asepticity of the cement.
  • the luer cap 18 further improves the characteristics of adaptability and simplicity of use of the mixer 10.
  • a cup mixer 110 which comprises a cylindrical case 112 and which defines a mixing chamber inside of it.
  • a mixing chamber is open towards the outside and it is closed by a tapered lid 114 which has a luer fitting 116 at its apex, and it is closed by a luer cap 118.
  • the second mixer 210 comprises a cylindrical case 212 and it defines a mixing chamber 220 inside of it Such a mixing chamber is open towards the outside and it is closed by a tapered lid 214 which has a luer attachment 216 at its apex and it is closed by a luer cap 218.

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Transplantation (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Cardiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Surgical Instruments (AREA)
EP09812489.4A 2009-08-20 2009-08-20 Bone cement mixer Active EP2467100B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09812489T PL2467100T3 (pl) 2009-08-20 2009-08-20 Mieszalnik do cementu kostnego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2009/053675 WO2011021072A1 (en) 2009-08-20 2009-08-20 Bone cement mixer

Publications (2)

Publication Number Publication Date
EP2467100A1 EP2467100A1 (en) 2012-06-27
EP2467100B1 true EP2467100B1 (en) 2015-11-11

Family

ID=42122871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09812489.4A Active EP2467100B1 (en) 2009-08-20 2009-08-20 Bone cement mixer

Country Status (12)

Country Link
EP (1) EP2467100B1 (zh)
JP (1) JP5653433B2 (zh)
KR (1) KR101574829B1 (zh)
CN (1) CN102470037B (zh)
AR (1) AR080544A1 (zh)
BR (1) BRPI0924500B8 (zh)
DK (1) DK2467100T3 (zh)
ES (1) ES2562252T3 (zh)
HU (1) HUE026925T2 (zh)
PL (1) PL2467100T3 (zh)
PT (1) PT2467100E (zh)
WO (1) WO2011021072A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103251443A (zh) * 2012-02-16 2013-08-21 上海康德莱企业发展集团医疗器械有限公司 一种骨水泥推注泵
KR101544922B1 (ko) * 2014-06-23 2015-08-18 (주)인젝타 골시멘트 혼합 및 주입용 카트리지 및 상기 카트리지를 포함하는 골시멘트 혼합 및 전달시스템
ES2558628B1 (es) * 2014-08-05 2016-12-01 Adrià BOSCH FERNÁNDEZ-SANTACRUZ Dispositivo para la mezcla y posterior aplicación de cemento óseo
CN104586497B (zh) * 2015-02-09 2016-11-16 北京闪星世纪医疗科技有限公司 骨水泥注入工具
KR101706011B1 (ko) * 2016-01-21 2017-02-14 한양대학교 산학협력단 교반 장치, 및 이를 포함하는 휴대용 시멘트 혼합물 제공 장치
CN106618716A (zh) * 2017-02-16 2017-05-10 常州凯耀医疗器械有限公司 骨水泥注入器
KR20200000908U (ko) 2018-10-31 2020-05-08 제이피바이오메드 주식회사 골시멘트 혼합용 용기 및 이를 포함하는 카트리지

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5088830A (en) * 1988-09-27 1992-02-18 Ernst Muhlbauer Arrangement for operating a multi-component mixing capsule, in particular for dental purposes, by means of a vibratory mixing device

Family Cites Families (10)

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US2009A (en) * 1841-03-18 Improvement in machines for boring war-rockets
SU916332A1 (ru) * 1980-08-04 1982-03-30 Nikolaevskij Od Inzh Str Inst Установка для активации цементной суспензии1
SU1047700A1 (ru) * 1982-04-01 1983-10-15 Николаевский Филиал Одесского Инженерно-Строительного Института Активатор цементной суспензии
JP3414195B2 (ja) * 1997-05-20 2003-06-09 三菱マテリアル株式会社 医科用セメント練合注入器
JP2001335054A (ja) * 2000-05-25 2001-12-04 Yoshida Industry Co Ltd 注出容器
AU2002239271A1 (en) 2000-11-20 2002-06-11 Eric D. Cohen Container for mixing
US20020118595A1 (en) * 2001-02-26 2002-08-29 Miller Scott H. Enclosed implantable material mixing system
DE20216631U1 (de) * 2002-10-28 2004-03-11 Haindl, Hans, Dr.med. Selbstentlüftende Spritze für das Mischen von flüssigen und pulverförmigen Substanzen
ITMO20030057A1 (it) * 2003-03-04 2004-09-05 Sidam Di Azzolini Graziano E C S A S Dispositivo per la confezione, la miscelazione e l'applicazione di cemento osseo.
CN201042699Y (zh) * 2007-05-29 2008-04-02 张天松 旋转振动装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5088830A (en) * 1988-09-27 1992-02-18 Ernst Muhlbauer Arrangement for operating a multi-component mixing capsule, in particular for dental purposes, by means of a vibratory mixing device

Also Published As

Publication number Publication date
BRPI0924500B1 (pt) 2020-11-24
CN102470037A (zh) 2012-05-23
HUE026925T2 (en) 2016-08-29
BRPI0924500A2 (pt) 2017-07-11
CN102470037B (zh) 2014-09-24
BRPI0924500B8 (pt) 2021-06-22
AR080544A1 (es) 2012-04-18
PT2467100E (pt) 2016-03-17
KR20120054567A (ko) 2012-05-30
JP5653433B2 (ja) 2015-01-14
ES2562252T3 (es) 2016-03-03
WO2011021072A1 (en) 2011-02-24
KR101574829B1 (ko) 2015-12-04
PL2467100T3 (pl) 2016-06-30
JP2013502259A (ja) 2013-01-24
EP2467100A1 (en) 2012-06-27
DK2467100T3 (en) 2016-02-15

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